CN105298386A - Retractor device for rock drilling jumbo - Google Patents
Retractor device for rock drilling jumbo Download PDFInfo
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- CN105298386A CN105298386A CN201510608149.2A CN201510608149A CN105298386A CN 105298386 A CN105298386 A CN 105298386A CN 201510608149 A CN201510608149 A CN 201510608149A CN 105298386 A CN105298386 A CN 105298386A
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- wearing piece
- tube wall
- fixing tube
- stretching device
- wall
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Abstract
The invention provides a retractor device for a rock drilling jumbo. The retractor device for the rock drilling jumbo comprises a fixed tube wall, a movable wall and a retractable oil cylinder, wherein the movable wall is inserted in the fixed tube wall; a plurality of adjusting pieces are arranged on the inner wall of the fixed tube wall at intervals along the peripheral direction; a plurality of wear-resistant parts are arranged between the adjusting pieces and the movable wall; the movable wall can be driven by the retractable oil cylinder to slide along the wear-resistant parts; and the wear-resistant parts arranged on a region which is abraded severely when rubbing with the movable wall can be detached. The retractor device for the rock drilling jumbo is convenient to detach and change when the wear-resistant piece is abraded severely or scrapped.
Description
Technical field
The present invention relates to rock drilling field, particularly relate to a kind of stretching device for jumbo.
Background technology
As everyone knows, jumbo is a kind of rock drilling equipment of use when adopting drilling and blasting method to carry out tunnel and underground engineering construction.Rock drilling arm can move and carry out accurately bore operation under the control of hammer drill.Rock drilling arm is primarily of formations such as walking mechanism, vehicle frame, dynamical system, rock body, beam mechanism, dedusting mechanism and electric-control systems.Beam mechanism is the device connecting rock body and vehicle frame, supports whole rock body, by the position of its action adjustable rock body, and then realizes carrying out bore operation under diverse location and state.Beam mechanism of the prior art can be divided into single armed, telescopic arm and folding arm three types.
Jumbo telescopic boom device of the prior art, a kind of Telescopic Arm of Jack Drill and hammer drill disclosed in No. CN203476216Uth, the Chinese patent.As shown in Figure 1, this telescopic arm comprises fixed arm 1 ', lever arm 3 ' and telescopic oil cylinder 2 ', and fixed arm 1 ' is sleeved on lever arm 3 '.In fixed arm 1 ', be provided with multiple adjustment block 5 ' along in its circumference, fixed arm 1 ' is provided with multiple adjusting screw(rod) 4 ' being respectively used to regulate gap between each adjustment block 5 ' and lever arm 3 '.Wear-resistant slide block 7 ' is provided with between at least part of adjustment block 5 ' in multiple adjustment block 5 ' and lever arm 3 ', the openend of fixed arm 1 ' is provided with for preventing wear-resistant slide block 7 ' along the retainer 8 ' of lever arm 3 ' telescopic direction movement, and lever arm 3 ' is driven can be slided along wear-resistant slide block 7 ' by telescopic oil cylinder 2 '.In this case, telescopic arm only can rely on adjusting screw(rod) 4 ' to regulate stringency between wear-resistant slide block 7 ' and lever arm 3 ', when wear-resistant slide block 7 ' serious wear or when scrapping, can not easily dismantle and change.Meanwhile, when drilling tool is loaded onto in telescopic arm end, because center of gravity can change according to the length of telescopic arm and different drilling tools, therefore on telescopic arm, the wearing and tearing of different parts are different and easily cause telescopic arm can not keep balance.
Therefore, a kind of novel stretching device for jumbo is needed, to meet user demand.
Summary of the invention
In order to solve above-mentioned all or part of technical problem, removable wall and the telescopic oil cylinder of the stationary pipes pars intramuralis that the invention provides a kind of stretching device for jumbo, comprise fixing tube wall, is sheathed on.On the inwall of fixing tube wall circumferentially on be arranged at intervals with multiple adjustment part.Multiple wearing piece is provided with between adjustment part and removable wall, and detachable with the wearing piece that arranges on the region of removable wall serious wear.Removable wall can slide along wearing piece under the driving of telescopic oil cylinder.In this case, the wearing piece serious wear on the region of removable wall serious wear or when scrapping, conveniently changes it.
Further, fix the bottom surface of the opening of tube wall close and be equipped with the first wearing piece away from the end face of the opening of fixing tube wall.When drilling tool is loaded onto in stretching device end, because center of gravity can drop on the openend annex of fixing tube wall, according to stressing conditions analysis, known near the fixing bottom surface of opening of tube wall and the end face of the opening away from fixing tube wall, be the stressed region comparatively serious compared with galling.Preferably, the first wearing piece is fixed by portable plate.Portable plate can be dismantled, and therefore when the first wearing piece serious wear or when scrapping, can take portable plate apart and change the first wearing piece.
Further, the second wearing piece is equipped with in the end face of the opening near fixing tube wall and side with away from the bottom surface of the opening of fixing tube wall and side.Preferably, the second wearing piece is fixed by adjusting screw(rod).Thus, the gap between fixation wall and removable wall can be regulated further by adjustment adjusting screw(rod).
Further, the thickness of the first wearing piece is greater than the thickness of the second wearing piece.Preferably, the shape of the first wearing piece is step-like.Thus, the stretching device of jumbo can be avoided easily to cause unbalanced state because of the wearing and tearing difference of different parts.
Further, the face that wearing piece contacts with removable wall is provided with lubrication hydraulic fluid port.Thus, when removable wall slides relative to wearing piece, lubrication hydraulic fluid port fuel-displacedly can play lubrication to removable wall.
Further, fixing tube wall and removable wall are square, fix the bottom surface of the opening of tube wall close and be equipped with the first wearing piece away from the end face of the opening of fixing tube wall; The second wearing piece is equipped with on the opposite of the first wearing piece and both sides.Preferably, the first wearing piece is multiple wear-resistant slide block.In this case, the first wearing piece that thickness is larger is arranged on the stressed region comparatively serious compared with galling of lever arm, not only can extend the application life of stretching device but also it can be kept to balance.
The invention has the advantages that: the gap adjustment between the removable wall of (1) stretching device and fixation wall is convenient, even.(2) for rapid wear wearing piece serious wear or when scrapping, for convenience detach and replacing.(3) adjustment block size is consistent with wearing piece housing size, makes wearing piece uniform force, not fragile.
Accompanying drawing explanation
Also will be described in more detail the present invention with reference to accompanying drawing based on embodiment hereinafter.Wherein:
Fig. 1 is the structural representation of Telescopic Arm of Jack Drill of the prior art;
Fig. 2 is the structural representation of the stretching device of jumbo in the embodiment of the present invention;
Fig. 3 is the sectional view of the A-A tangent plane of Fig. 2;
Fig. 4 is the sectional view of the B-B tangent plane of Fig. 2.
In the accompanying drawings, identical parts use identical Reference numeral.Accompanying drawing is not according to the ratio of reality.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
One end of jumbo stretching device can be fixedly connected on jumbo by fixed part, and the other end is for installing drilling tool.As shown in Figure 2, the stretching device of jumbo comprises: fixing tube wall 1, the removable wall 2 being sheathed on fixing tube wall 1 inside and telescopic oil cylinder 7.Removable wall 2 can stretch relative to fixing tube wall 1 under the drive of telescopic oil cylinder 7, stretches out the opening of fixing tube wall 1.Can install drilling tool in the end of removable wall 2, drilling tool changes concrete rock drilling position with the movement of removable wall 2.On the inwall of fixing tube wall 1 circumferentially on be arranged at intervals with multiple adjustment part 4, between adjustment part 4 and removable wall 2, be provided with multiple wearing piece 3,8.Removable wall 2 can slide along wearing piece 3,8 under the driving of telescopic oil cylinder 7, detachable with the wearing piece 8 that arranges on the region of removable wall 2 serious wear.
In one particular embodiment of the present invention, as shown in Figure 2, fix the bottom surface of the opening of tube wall 1 close and be equipped with the first wearing piece 8 away from the end face of the opening of fixing tube wall 1.First wearing piece 8 is fixed by movable sealing plate 9.Movable sealing plate 9 is interval with multiple set bolt 10 and packing ring (depending on going out), and set bolt 10 is dismountable bolt.Preferably, the shape of the first wearing piece 8 is step-like, and in this case, the step place of the first wearing piece 8 coordinates to strengthen fastness with fixing tube wall 1.
In one particular embodiment of the present invention, on the inwall of fixing tube wall 1 circumferentially on be arranged at intervals with multiple adjustment part 4.As shown in Figure 2, between adjustment part 4 and removable wall 2, the second wearing piece 3 is provided with.Have fixed head 4 ' in the outer side covers of adjustment part 4, the area of fixed head 4 ' is greater than the area of adjustment part 4.Particularly, the mode by welding between fixed head 4 ' with fixing tube wall 1 is fixed together.Fixed head 4 ' is interval with multiple adjusting screw(rod) 5 and nut (depending on going out).When regulating adjusting screw(rod) 5 tightening nut, fixed head 4 ' extrudes adjustment part 4 makes the second wearing piece 3 matched with it move towards removable wall 2, and then regulates the gap between removable wall 2 and fixing tube wall 1.Preferably, the size of adjustment part 4 is consistent with the housing size of wearing piece 3,8, in this case, can make wearing piece 3,8 uniform force, not fragile.
In one particular embodiment of the present invention, the thickness of the first wearing piece 8 is greater than the thickness of the second wearing piece 3.When drilling tool is loaded onto in the end of stretching device, because center of gravity can drop on the openend annex of fixing tube wall 1, according to stressing conditions analysis, the known bottom surface at the opening near fixing tube wall 1, and the end face of opening away from fixing tube wall 1, be the stressed comparatively large and region that wearing and tearing are comparatively serious.Preferably, the first wearing piece 8 is fixed by movable sealing plate 9.Movable sealing plate 9 can be dismantled, and therefore when the first wearing piece 8 serious wear or when scrapping, can take movable sealing plate 9 apart and change the first wearing piece 8.The setting of the first wearing piece 8 also can be avoided causing it can not keep situation about balancing because of the wearing and tearing difference of different parts on telescopic arm.
In one particular embodiment of the present invention, as shown in Figure 3 and Figure 4, fixing tube wall 1 is square with removable wall 2.Fix the bottom surface of the opening of tube wall 1 close and be equipped with the first wearing piece 8 away from the end face of the opening of fixing tube wall 1, being equipped with the second wearing piece 3 on the opposite of the first wearing piece 8 and both sides.In order to keep telescopic oil cylinder 7 can drive removable wall 2 balanced sequence, the first wearing piece 8 between each fixing tube wall 1 and removable wall 2 and the quantity of the second wearing piece 3 are two.In order to keep, between fixing tube wall 1 and removable wall 2, there is stable clearance C, be symmetric between the first wearing piece 8 between each fixing tube wall 1 and removable wall 2 and the second wearing piece 3.
In one particular embodiment of the present invention, the face contacted with removable wall 2 at the center of wearing piece 3,8 is provided with lubrication hydraulic fluid port.When telescopic oil cylinder 7 drives removable wall 2 to move, the lubrication oil in lubrication hydraulic fluid port can lubricate between wearing piece 3,8 and removable wall 2.
In sum, stretching device for jumbo of the present invention, by adjusting screw(rod) 5 and adjustment block 4 with the use of, when regulating adjusting screw(rod) 5, adjustment block 4 suitably can adjust the position of lever arm 2 in stationary pipes arm 1 and make stationary pipes arm 1 concentric with lever arm 2, so that lever arm 2 stretches.When telescopic oil cylinder 7 drives lever arm 2 to slide, lever arm 2 slides along the first wearing piece 8 in stationary pipes arm 1 and the second wearing piece 3, realizes stretching out or retracting of lever arm 2, thus completes rock drilling operation.
Although invention has been described with reference to preferred embodiment, without departing from the scope of the invention, various improvement can be carried out to it and parts wherein can be replaced with equivalent.Especially, only otherwise there is structural hazard, the every technical characteristic mentioned in each embodiment all can combine in any way.The present invention is not limited to specific embodiment disclosed in literary composition, but comprises all technical schemes fallen in the scope of claim.
Claims (10)
1. for a stretching device for jumbo, comprising: fixing tube wall, the removable wall being sheathed on described stationary pipes pars intramuralis and telescopic oil cylinder, is characterized in that,
On the inwall of described fixing tube wall circumferentially on be arranged at intervals with multiple adjustment part;
Multiple wearing piece is provided with between described adjustment part and described removable wall; Described removable wall can slide along described wearing piece under the driving of described telescopic oil cylinder;
Wherein, detachable with the wearing piece that arranges on the region of described removable wall serious wear.
2. the stretching device for jumbo according to claim 1, is characterized in that, near described fixing tube wall opening bottom surface and be equipped with the first wearing piece away from the end face of the opening of described fixing tube wall.
3. the stretching device for jumbo according to claim 2, is characterized in that, is being equipped with the second wearing piece near the end face of opening of described fixing tube wall and side with away from the bottom surface of the opening of described fixing tube wall and side.
4. the stretching device for jumbo according to claim 2, is characterized in that, described first wearing piece is fixed by portable plate.
5. the stretching device for jumbo according to claim 3, is characterized in that, the thickness of described first wearing piece is greater than the thickness of described second wearing piece.
6. the stretching device for jumbo according to claim 3, is characterized in that, described second wearing piece is fixed by adjusting screw(rod).
7. the stretching device for jumbo according to claim 3, is characterized in that, described second wearing piece has at least a part to embed in described fixing tube wall.
8. the stretching device for jumbo according to claim 1, is characterized in that, the face that described wearing piece contacts with described removable wall is provided with lubrication hydraulic fluid port.
9. the stretching device for jumbo according to claim 3, it is characterized in that, described fixing tube wall and described removable wall are square, near described fixing tube wall opening bottom surface and be equipped with the first wearing piece away from the end face of the opening of described fixing tube wall; The second wearing piece is equipped with on the opposite of described first wearing piece and both sides.
10. the stretching device for jumbo according to claim 2, is characterized in that, described first wearing piece is multiple wear-resistant slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510608149.2A CN105298386B (en) | 2015-09-22 | 2015-09-22 | A kind of retractor device for drill jumbo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510608149.2A CN105298386B (en) | 2015-09-22 | 2015-09-22 | A kind of retractor device for drill jumbo |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105298386A true CN105298386A (en) | 2016-02-03 |
| CN105298386B CN105298386B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510608149.2A Active CN105298386B (en) | 2015-09-22 | 2015-09-22 | A kind of retractor device for drill jumbo |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3721054A (en) * | 1971-09-07 | 1973-03-20 | Bucyrus Erie Co | Light weight telescoping boom |
| CN201598149U (en) * | 2009-12-15 | 2010-10-06 | 徐州海伦哲专用车辆股份有限公司 | Sliding block structure for telescopic arm of overhead working truck |
| CN102001591A (en) * | 2010-11-25 | 2011-04-06 | 武汉船用机械有限责任公司 | Basic arm and telescopic arm assembling method for telescopic crane |
| CN201944051U (en) * | 2010-11-17 | 2011-08-24 | 秦皇岛天业通联重工股份有限公司 | Telescopic arm |
| CN202272660U (en) * | 2011-09-21 | 2012-06-13 | 常德大汉专用汽车有限公司 | Crane boom side clearance adjusting device |
| CN103382811A (en) * | 2013-06-19 | 2013-11-06 | 阿特拉斯科普柯(南京)建筑矿山设备有限公司 | Rock drill telescopic arm and rock drill |
-
2015
- 2015-09-22 CN CN201510608149.2A patent/CN105298386B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3721054A (en) * | 1971-09-07 | 1973-03-20 | Bucyrus Erie Co | Light weight telescoping boom |
| CN201598149U (en) * | 2009-12-15 | 2010-10-06 | 徐州海伦哲专用车辆股份有限公司 | Sliding block structure for telescopic arm of overhead working truck |
| CN201944051U (en) * | 2010-11-17 | 2011-08-24 | 秦皇岛天业通联重工股份有限公司 | Telescopic arm |
| CN102001591A (en) * | 2010-11-25 | 2011-04-06 | 武汉船用机械有限责任公司 | Basic arm and telescopic arm assembling method for telescopic crane |
| CN202272660U (en) * | 2011-09-21 | 2012-06-13 | 常德大汉专用汽车有限公司 | Crane boom side clearance adjusting device |
| CN103382811A (en) * | 2013-06-19 | 2013-11-06 | 阿特拉斯科普柯(南京)建筑矿山设备有限公司 | Rock drill telescopic arm and rock drill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105298386B (en) | 2017-11-07 |
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Inventor after: Liu Feixiang Inventor after: Andersen Peter Inventor after: Liu Haihua Inventor after: Cheng Yongliang Inventor after: Zheng Daqiao Inventor after: Ma Chengbiao Inventor after: Cao Yapeng Inventor before: Liu Feixiang Inventor before: Liu Haihua Inventor before: Cheng Yongliang Inventor before: Zheng Daqiao Inventor before: Ma Chengbiao Inventor before: Cao Yapeng |
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Address after: 830026 Urumqi economic and Technological Development Zone, South Road, the Xinjiang Uygur Autonomous Region, No. 399 Co-patentee after: China Railway Construction Heavy Industry Group Co., Ltd. Patentee after: RAILWAY CONSTRUCTION HEAVY INDUSTRY XINJIANG CO., LTD. Address before: 830026 Urumqi economic and Technological Development Zone, South Road, the Xinjiang Uygur Autonomous Region, No. 399 Co-patentee before: China Railway Construction Heavy Industry Co.,Ltd. Patentee before: RAILWAY CONSTRUCTION HEAVY INDUSTRY XINJIANG CO., LTD. |